Deflection Response of Glass Fiber-Reinforced Pultruded Components in Hot Weather Climates
Publication: Journal of Composites for Construction
Volume 12, Issue 3
Abstract
Presented in this paper are the experimental results pertaining to the deflection response of E-glass/polyester pultruded structural elements when subjected to bending and temperature profiles comparable to those encountered in hot weather conditions. Experiments were conducted on tubular components subjected to an applied force resulting in a maximum stress corresponding to 4% of the composite material strength. In one case, five component tests were carried out in an environmental condition in which the air temperature was first gradually increased from , then decreased to in . In another case, one component was tested under an air temperature that was first gradually increased from , then kept at for . Test results are compared with those obtained in another study at laboratory conditions . It is concluded that the increase in the deflection of glass-reinforced pultruded components in hot climates is substantial and must always be accounted for in the design of pultruded structures.
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Acknowledgments
This work was funded by the School of Civil and Environmental Engineering at the Georgia Institute of Technology. The writers would like to thank Dr. Sinan T. Erdogan and the National Institute of Standards and TechnologyNIST for conducting the dynamic mechanical analysis (DMA) tests of the composite material.
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 12 • Issue 3 • June 2008
Pages: 355 - 363
Copyright
© 2008 ASCE.
History
Received: Dec 18, 2006
Accepted: Feb 27, 2007
Published online: Jun 1, 2008
Published in print: Jun 2008
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